Hydrophones, acoustic release transponders and a command and control unit for the transponders

Please note that this is a prior infromation notice and this notice is not a call for tenders. The information provided in this notice is preliminary and may change as the preparation progresses. The Natural Resources Institute Finland (Luke) is planning to purchase hydrophones, acoustic release transponders and a command and control unit for the transponders. Hydrophones are needed for research conducted on aquatic mammals to record their underwater calls and the surrounding underwater soundscape. The specific req...